h2o crossword

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Across
  1. 2. regular stage of water
  2. 7. gas stage of water
  3. 8. cleans water
  4. 10. causes rust in pipes
  5. 11. percent of earth that is covered in water (number)
  6. 12. water with calcium and magnesium
  7. 13. tastes bitter in water
  8. 14. one of these in a water molecule
Down
  1. 1. two of these in a water molecule
  2. 3. makes up 97% of the water on earth
  3. 4. 3% of the water on earth
  4. 5. when water reaches 100 degrees celsius
  5. 6. when water reaches 0 degrees celsius
  6. 7. the natural cleaning cycle of water
  7. 9. solid stage of water